100% Test Coverage
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@ -27,7 +27,7 @@ import enforce_typing
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from ._version import __version__
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from ._version import __version__
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__all__ = ['__version__']
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__all__ = ['__version__', 'StockExchange', 'AssetAmount', 'Asset', 'ExchangeRateSample']
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def parse_id_attr_key_value_pair(attr_datum: str) -> tuple[str, str | int] | None:
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def parse_id_attr_key_value_pair(attr_datum: str) -> tuple[str, str | int] | None:
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@ -113,8 +113,8 @@ class Asset:
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return f'X:{self.ccxt_symbol}USD'
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return f'X:{self.ccxt_symbol}USD'
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# Else
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# Else
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msg = f'Unknown self type: {self}'
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msg = f'Unknown type: {type(self).__name__}'
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raise Exception(msg)
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raise TypeError(msg)
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@staticmethod
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@staticmethod
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def from_polygon_id(polygon_id: str) -> 'Asset':
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def from_polygon_id(polygon_id: str) -> 'Asset':
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@ -160,8 +160,8 @@ class Asset:
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if isinstance(self, UnknownAsset):
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if isinstance(self, UnknownAsset):
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return 'unknown:XXX'
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return 'unknown:XXX'
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msg = f'Unsupported asset type: {self:?}'
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msg = f'Unsupported asset type: {type(self).__name__}'
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raise ValueError(msg)
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raise TypeError(msg)
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@staticmethod
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@staticmethod
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def from_string_id(asset_id: str) -> 'Asset':
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def from_string_id(asset_id: str) -> 'Asset':
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@ -184,9 +184,7 @@ class Asset:
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if m := re.match(r'^(\w+)(?:\.(\w+))?$', ticker):
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if m := re.match(r'^(\w+)(?:\.(\w+))?$', ticker):
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exchange = EXCHANGES_BY_IDS[m.group(2) or 'NYSE'] # TODO?
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exchange = EXCHANGES_BY_IDS[m.group(2) or 'NYSE'] # TODO?
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return Stock(m.group(1), exchange, **attrs)
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return Stock(m.group(1), exchange, **attrs)
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if prefix == 'currency':
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if prefix in {'currency','fiat'}:
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return FiatCurrency(ticker, **attrs)
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if prefix == 'fiat':
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return FiatCurrency(ticker, **attrs)
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return FiatCurrency(ticker, **attrs)
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if prefix == 'index':
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if prefix == 'index':
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return Index(ticker, **attrs)
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return Index(ticker, **attrs)
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@ -209,6 +207,9 @@ class Asset:
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class UnknownAsset(Asset):
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class UnknownAsset(Asset):
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pass
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pass
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@abc.abstractmethod
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def raw_short_name(self) -> str:
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return '???'
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@enforce_typing.enforce_types
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@enforce_typing.enforce_types
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@dataclasses.dataclass(frozen=True)
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@dataclasses.dataclass(frozen=True)
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@ -255,7 +256,7 @@ class CryptoCurrency(Currency):
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coingecko_id: str | None = None
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coingecko_id: str | None = None
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def __post_init__(self) -> None:
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def __post_init__(self) -> None:
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if not re.match('^.*$', self.ccxt_symbol):
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if not re.match(r'^\S.*\S$', self.ccxt_symbol):
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msg = f'ccxt_symbol was not in correct format: {self.ccxt_symbol}'
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msg = f'ccxt_symbol was not in correct format: {self.ccxt_symbol}'
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raise ValueError(msg)
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raise ValueError(msg)
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@ -276,8 +277,8 @@ class Stock(Asset):
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raise ValueError(msg)
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raise ValueError(msg)
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@staticmethod
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@staticmethod
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def from_polygon_id(polygon_id: str, stock_exchange: StockExchange) -> 'Stock':
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def from_polygon_id(polygon_id: str) -> 'Stock':
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return Stock(polygon_id, stock_exchange)
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return Stock(polygon_id, NYSE) # TODO: Add support for non-NYSE exchanges.
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def raw_short_name(self) -> str:
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def raw_short_name(self) -> str:
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return self.ticker
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return self.ticker
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@ -470,9 +471,6 @@ if True:
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def add_by_id(exchange: StockExchange, key: str):
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def add_by_id(exchange: StockExchange, key: str):
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exchange_id = getattr(exchange, key)
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exchange_id = getattr(exchange, key)
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if exchange_id is not None:
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if exchange_id is not None:
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if exchange_id in EXCHANGES_BY_IDS:
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msg = f'Exchange {exchange_id} is already present'
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raise ValueError(msg)
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EXCHANGES_BY_IDS[exchange_id] = exchange
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EXCHANGES_BY_IDS[exchange_id] = exchange
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for exchange in EXCHANGES:
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for exchange in EXCHANGES:
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@ -518,23 +516,25 @@ class AssetAmount:
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return self.human_readable_str()
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return self.human_readable_str()
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def human_readable_str(self) -> str:
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def human_readable_str(self) -> str:
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specificity = '2' if self.amount >= THREE_DECIMALS_UNDER_THIS_AMOUNT else '3'
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abs_amount = abs(self.amount)
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specificity = '2' if abs_amount >= THREE_DECIMALS_UNDER_THIS_AMOUNT else '3'
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prefix = ASSET_PREFIX.get(self.asset, '')
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prefix = ASSET_PREFIX.get(self.asset, '')
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return ('{}{:.' + specificity + 'f} {}').format(
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return ('{sign}{prefix}{amount:.' + specificity + 'f} {name}').format(
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prefix,
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sign='-' if self.amount < 0 else '',
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self.amount,
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prefix=prefix,
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self.asset.raw_short_name(),
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amount=abs_amount,
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name=self.asset.raw_short_name(),
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)
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)
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def __mul__(self, other: Decimal) -> 'AssetAmount':
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def __mul__(self, other: Decimal) -> 'AssetAmount':
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if not isinstance(other, Decimal):
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if not isinstance(other, Decimal):
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msg = f'other must be decimal, but was {type(other)}'
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msg = f'other must be Decimal, but was {type(other).__name__}'
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raise TypeError(msg)
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raise TypeError(msg)
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return AssetAmount(self.asset, self.amount * other)
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return AssetAmount(self.asset, self.amount * other)
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def __add__(self, other: 'AssetAmount') -> 'AssetAmount':
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def __add__(self, other: 'AssetAmount') -> 'AssetAmount':
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if not isinstance(other, AssetAmount):
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if not isinstance(other, AssetAmount):
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msg = f'other must be AssetAmount, but was {type(other)}'
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msg = f'other must be AssetAmount, but was {type(other).__name__}'
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raise TypeError(msg)
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raise TypeError(msg)
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if self.is_zero():
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if self.is_zero():
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return other
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return other
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@ -549,8 +549,9 @@ class AssetAmount:
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return AssetAmount(self.asset, self.amount + other.amount)
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return AssetAmount(self.asset, self.amount + other.amount)
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def __sub__(self, other: 'AssetAmount') -> 'AssetAmount':
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def __sub__(self, other: 'AssetAmount') -> 'AssetAmount':
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# TODO: Implement using add?
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if not isinstance(other, AssetAmount):
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if not isinstance(other, AssetAmount):
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msg = f'other must be AssetAmount, but was {type(other)}'
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msg = f'other must be AssetAmount, but was {type(other).__name__}'
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raise TypeError(msg)
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raise TypeError(msg)
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if self.is_zero():
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if self.is_zero():
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return -other
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return -other
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@ -576,7 +577,7 @@ class AssetAmount:
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def cmp(self, other) -> Decimal:
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def cmp(self, other) -> Decimal:
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if not isinstance(other, AssetAmount):
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if not isinstance(other, AssetAmount):
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msg = f'other must be AssetAmount, but was {type(other)}'
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msg = f'other must be AssetAmount, but was {type(other).__name__}'
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raise TypeError(msg)
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raise TypeError(msg)
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if self.is_zero() or other.is_zero():
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if self.is_zero() or other.is_zero():
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return self.amount - other.amount
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return self.amount - other.amount
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@ -1,8 +1,92 @@
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import pytest
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from decimal import Decimal
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from decimal import Decimal
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import fin_defs
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import fin_defs
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USD_0 = fin_defs.AssetAmount(fin_defs.USD, Decimal(0))
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USD_10 = fin_defs.AssetAmount(fin_defs.USD, Decimal(10))
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USD_11 = fin_defs.AssetAmount(fin_defs.USD, Decimal(11))
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USD_20 = fin_defs.AssetAmount(fin_defs.USD, Decimal(20))
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USD_21 = fin_defs.AssetAmount(fin_defs.USD, Decimal(21))
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DKK_0 = fin_defs.AssetAmount(fin_defs.DKK, Decimal(0))
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DKK_21 = fin_defs.AssetAmount(fin_defs.DKK, Decimal(21))
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def test_add_asset():
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assert USD_10 + USD_11 == USD_21
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assert USD_10 + USD_0 == USD_10
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assert DKK_0 + USD_10 == USD_10
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def test_sub_asset():
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assert USD_21 - USD_10 == USD_11
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assert USD_10 - USD_0 == USD_10
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assert DKK_0 - USD_10 == -USD_10
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def test_div_asset():
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assert USD_20 / USD_10 == 2
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assert USD_10 / USD_10 == 1
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assert USD_10 / USD_20 == 0.5
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def test_div_amount():
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assert USD_20 / Decimal(2) == USD_10
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def test_mult():
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assert USD_10 * Decimal(2) == USD_20
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def test_negate():
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assert USD_20 + (-USD_10) == USD_10
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def test_compare():
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assert USD_10 < USD_20
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assert USD_10 <= USD_20
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assert not (USD_10 > USD_20)
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assert not (USD_10 >= USD_20)
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def test_compare_zero():
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assert DKK_0 < USD_20
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assert DKK_0 <= USD_20
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assert not (DKK_0 > USD_20)
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assert not (DKK_0 >= USD_20)
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def test_is_zero():
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assert USD_0.is_zero()
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assert not USD_10.is_zero()
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def test_str():
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def test_str():
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amount = fin_defs.AssetAmount(fin_defs.USD, Decimal(10))
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assert str(USD_0) == '$0.000 USD'
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assert str(amount) == '$10.00 USD'
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assert str(USD_10) == '$10.00 USD'
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assert str(USD_11) == '$11.00 USD'
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assert str(-USD_10) == '-$10.00 USD'
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def test_mul_wrong():
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with pytest.raises(TypeError, match='other must be Decimal, but was AssetAmount'):
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assert USD_20 * USD_10
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def test_add_wrong_type():
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with pytest.raises(TypeError, match='other must be AssetAmount, but was Decimal'):
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assert USD_20 + Decimal(1)
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def test_add_wrong_asset():
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with pytest.raises(ValueError, match='AssetAmount must have same asset, but: fiat:USD != fiat:DKK'):
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assert USD_20 + DKK_21
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def test_sub_wrong_type():
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with pytest.raises(TypeError, match='other must be AssetAmount, but was Decimal'):
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assert USD_20 - Decimal(1)
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def test_sub_wrong_asset():
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with pytest.raises(ValueError, match='AssetAmount must have same asset, but: fiat:USD != fiat:DKK'):
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assert USD_20 - DKK_21
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def test_cmp_wrong_type():
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with pytest.raises(TypeError, match='other must be AssetAmount, but was Decimal'):
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assert USD_20 < Decimal(1)
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def test_cmp_wrong_asset():
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with pytest.raises(ValueError, match='AssetAmount must have same asset, but: fiat:USD != fiat:DKK'):
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assert USD_20 < DKK_21
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def test_div_wrong_asset ():
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with pytest.raises(ValueError, match='AssetAmount must have same asset, but: fiat:USD != fiat:DKK'):
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assert USD_21 / DKK_21
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11
test/test_currency.py
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11
test/test_currency.py
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@ -0,0 +1,11 @@
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import pytest
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import fin_defs
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def test_from_currency_symbol():
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assert fin_defs.FiatCurrency.from_currency_symbol('$') == fin_defs.USD
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assert fin_defs.FiatCurrency.from_currency_symbol('TEST') is None
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def test_currency_symbol():
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assert fin_defs.USD.to_currency_symbol() == '$'
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@ -2,24 +2,29 @@ import pytest
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import fin_defs
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import fin_defs
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VALID_TICKERS = ['TEST123', '123', 'TEST.EUR']
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VALID_STOCK_TICKERS = ['TEST123', '123', 'TEST.EUR']
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BAD_TICKERS = ['TEST:EUR', 'EUR:TEST']
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BAD_STOCK_TICKERS = ['TEST:EUR', 'EUR:TEST']
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@pytest.mark.parametrize('ticker', VALID_TICKERS)
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@pytest.mark.parametrize('ticker', VALID_STOCK_TICKERS)
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def test_valid_tickers(ticker: str):
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def test_valid_tickers(ticker: str):
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fin_defs.Stock(ticker, exchange=fin_defs.EXCHANGES_BY_IDS['NYSE'])
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asset = fin_defs.Stock(ticker, exchange=fin_defs.EXCHANGES_BY_IDS['NYSE'])
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assert asset.names() is not None
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assert asset.to_polygon_id() is not None
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@pytest.mark.parametrize('ticker', BAD_TICKERS)
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@pytest.mark.parametrize('ticker', BAD_STOCK_TICKERS)
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def test_bad_tickers(ticker: str):
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def test_bad_tickers(ticker: str):
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with pytest.raises(ValueError, match='ticker was not in correct format:.*'):
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with pytest.raises(ValueError, match='ticker was not in correct format:.*'):
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fin_defs.Stock(ticker, exchange=fin_defs.EXCHANGES_BY_IDS['NYSE'])
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fin_defs.Stock(ticker, exchange=fin_defs.EXCHANGES_BY_IDS['NYSE'])
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@pytest.mark.parametrize('ticker', BAD_TICKERS)
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@pytest.mark.parametrize('ticker', BAD_STOCK_TICKERS)
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def test_crypto_tickers(ticker):
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def test_crypto_tickers(ticker):
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fin_defs.CryptoCurrency(ticker, 'not-known')
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asset = fin_defs.CryptoCurrency(ticker, 'not-known')
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assert asset.names() is not None
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assert asset.to_polygon_id().startswith('X:')
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def test_str():
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def test_str():
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32
test/test_exchange_rate_sample.py
Normal file
32
test/test_exchange_rate_sample.py
Normal file
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@ -0,0 +1,32 @@
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import pytest
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import datetime
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from decimal import Decimal
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import fin_defs
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NOW = datetime.datetime.now()
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THEN = NOW - datetime.timedelta(days=1)
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SAMPLE_AVERAGE = fin_defs.ExchangeRateSample(NOW,
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(fin_defs.FiatCurrency.DKK,fin_defs.FiatCurrency.USD),
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_average = Decimal(1))
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SAMPLE_HIGH_LOW = fin_defs.ExchangeRateSample(NOW,
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(fin_defs.FiatCurrency.DKK,fin_defs.FiatCurrency.USD),
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high = Decimal(1), low=Decimal('0.5'))
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def test_sample_average():
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assert SAMPLE_AVERAGE.average == 1
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assert SAMPLE_HIGH_LOW.average == Decimal('0.75')
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def test_invert_sample():
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inverted = SAMPLE_HIGH_LOW.invert_exchange_rate()
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assert inverted.asset_pair == (fin_defs.FiatCurrency.USD,fin_defs.FiatCurrency.DKK)
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assert inverted.high == 2
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assert inverted.low == 1
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assert inverted.average == 1.5
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def test_replace_timestamp():
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assert SAMPLE_HIGH_LOW.replace_timestamp(THEN).timestamp == THEN
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@ -2,17 +2,32 @@ import pytest
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import fin_defs
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import fin_defs
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NVO_ID = 'stock:NVO.NYSE{nordnet_id=16256554}'
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NVO = fin_defs.Asset.from_string_id(NVO_ID)
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VALID_IDS = [
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VALID_IDS = [
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'stock:NVO.NYSE',
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'stock:NVO.NYSE',
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'stock:NVO.NYSE{nordnet_id=16256554}',
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NVO_ID,
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'currency:USD',
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'currency:USD',
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'fiat:USD',
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'fiat:USD',
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'index:NDX',
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'index:NDX',
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'crypto:BTC',
|
'crypto:BTC',
|
||||||
'crypto:BTC{coingecko_id=bitcoin}',
|
'crypto:BTC{coingecko_id=bitcoin}',
|
||||||
|
'crypto:MPC',
|
||||||
|
'crypto:LOLCOIN',
|
||||||
'commodity:ALUMINUM',
|
'commodity:ALUMINUM',
|
||||||
|
'unknown:XXX',
|
||||||
]
|
]
|
||||||
|
|
||||||
|
|
||||||
|
ASSETS = list(fin_defs.WELL_KNOWN_SYMBOLS.values()) + [fin_defs.Asset.from_string_id(vid) for vid in VALID_IDS]
|
||||||
|
|
||||||
|
|
||||||
|
ASSETS_POLYGON_PRESERVES_FULL_ID = frozenset(a for a in ASSETS if not isinstance(a,
|
||||||
|
fin_defs.CryptoCurrency
|
||||||
|
| fin_defs.Commodity
|
||||||
|
| fin_defs.UnknownAsset)) - frozenset([NVO])
|
||||||
|
|
||||||
INVALID_IDS = [
|
INVALID_IDS = [
|
||||||
'NVO',
|
'NVO',
|
||||||
'NVO.NYSE',
|
'NVO.NYSE',
|
||||||
|
@ -20,6 +35,11 @@ INVALID_IDS = [
|
||||||
'fiat:TEST:TEST',
|
'fiat:TEST:TEST',
|
||||||
'index:TEST:TEST',
|
'index:TEST:TEST',
|
||||||
'commodity:TEST:TEST',
|
'commodity:TEST:TEST',
|
||||||
|
'crypto: ',
|
||||||
|
'!!!!',
|
||||||
|
'::::',
|
||||||
|
'',
|
||||||
|
' ',
|
||||||
]
|
]
|
||||||
|
|
||||||
|
|
||||||
|
@ -36,15 +56,15 @@ def test_parse_attr():
|
||||||
|
|
||||||
|
|
||||||
def test_from_nordnet():
|
def test_from_nordnet():
|
||||||
derp = fin_defs.Asset.from_string_id('stock:NVO.NYSE{nordnet_id=16256554}')
|
asset = NVO
|
||||||
assert isinstance(derp, fin_defs.Stock)
|
assert isinstance(asset, fin_defs.Stock)
|
||||||
assert derp.ticker == 'NVO'
|
assert asset.ticker == 'NVO'
|
||||||
assert derp.nordnet_id == 16256554
|
assert asset.nordnet_id == 16256554
|
||||||
|
|
||||||
|
|
||||||
@pytest.mark.parametrize('asset_id', VALID_IDS)
|
@pytest.mark.parametrize('asset', ASSETS)
|
||||||
def test_from_string_id_shortcut(asset_id: str):
|
def test_raw_short_name(asset: fin_defs.Asset):
|
||||||
assert fin_defs.Asset.from_string_id(asset_id)
|
assert asset.raw_short_name() is not None
|
||||||
|
|
||||||
|
|
||||||
@pytest.mark.parametrize('asset_id', VALID_IDS)
|
@pytest.mark.parametrize('asset_id', VALID_IDS)
|
||||||
|
@ -58,18 +78,25 @@ def test_from_string_id_invalid(asset_id: str):
|
||||||
fin_defs.Asset.from_string_id(asset_id)
|
fin_defs.Asset.from_string_id(asset_id)
|
||||||
|
|
||||||
|
|
||||||
@pytest.mark.parametrize('asset', fin_defs.WELL_KNOWN_SYMBOLS.values())
|
@pytest.mark.parametrize('asset', ASSETS)
|
||||||
def test_to_from_string_id_shortcut(asset: fin_defs.Asset):
|
|
||||||
assert fin_defs.Asset.from_string_id(asset.to_string_id()) == asset
|
|
||||||
|
|
||||||
|
|
||||||
@pytest.mark.parametrize('asset', fin_defs.WELL_KNOWN_SYMBOLS.values())
|
|
||||||
def test_to_from_string_id(asset: fin_defs.Asset):
|
def test_to_from_string_id(asset: fin_defs.Asset):
|
||||||
assert fin_defs.Asset.from_string_id(asset.to_string_id()) == asset
|
assert fin_defs.Asset.from_string_id(asset.to_string_id()) == asset
|
||||||
|
|
||||||
|
|
||||||
@pytest.mark.parametrize('asset', fin_defs.WELL_KNOWN_SYMBOLS.values())
|
@pytest.mark.parametrize('asset', ASSETS)
|
||||||
def test_to_from_polygon_id(asset: fin_defs.Asset):
|
def test_to_from_polygon_id_works(asset: fin_defs.Asset):
|
||||||
if isinstance(asset, fin_defs.CryptoCurrency):
|
if isinstance(asset, fin_defs.Commodity | fin_defs.UnknownAsset):
|
||||||
return
|
return
|
||||||
|
assert fin_defs.Asset.from_polygon_id(asset.to_polygon_id()) is not None
|
||||||
|
|
||||||
|
@pytest.mark.parametrize('asset', ASSETS_POLYGON_PRESERVES_FULL_ID)
|
||||||
|
def test_to_from_polygon_id_preserves_id(asset: fin_defs.Asset):
|
||||||
assert fin_defs.Asset.from_polygon_id(asset.to_polygon_id()) == asset
|
assert fin_defs.Asset.from_polygon_id(asset.to_polygon_id()) == asset
|
||||||
|
|
||||||
|
def test_to_polygon_id_fail_for_commodity():
|
||||||
|
with pytest.raises(TypeError, match='Unknown type: Commodity'):
|
||||||
|
assert fin_defs.Commodity.CORN.to_polygon_id()
|
||||||
|
|
||||||
|
def test_to_string_id_wrong_type():
|
||||||
|
with pytest.raises(TypeError, match='Unsupported asset type: int'):
|
||||||
|
assert fin_defs.Asset.to_string_id(1)
|
||||||
|
|
Loading…
Reference in New Issue
Block a user